CGTalk - LipSync using Position with linear expression?

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swingrays

12-22-2008, 12:06 AM

Trying to do a Monty Python style lip sync animation using simple pictures of heads. I'm cutting out the mouths and want to use an audio "talking" file (converted to keyframes, of course) to move the mouth cutout via a linear expression on the Position transform property. BUT, that property is an X,Y value! I don't know how to write the java??!!

Any suggestions???

swing

Mylenium

12-22-2008, 06:13 AM

mAudioVal=thisComp.layer("Audio").effect("both Channels")("Slider");
mAudioAmp=1; //amplitude multiplier

X=transform.position[0];
Y=transform.position[1] + mAudioVal * mAudioAmp;

[X,Y]

Mylenium

swingrays

12-22-2008, 06:03 PM

Thanks Mylenium,

But what do I do now? Where do I enter the variables?

swing

Mylenium

12-23-2008, 06:46 PM

In the position property, naturally.

Mylenium

swingrays

01-10-2009, 08:47 PM

I'm not real slick with the expressions. I really don't know where to enter what I need to enter. Could u break it down a bit for me?? I'd really like to try this! Sorry for my ineptness. Thanks.

Swing

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